I-90 weather conditions near Rapid City, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 64°F 2025-06-17T07:52:00-06:00 Today 2025-06-17, Slight Chance T-storms then T-storms Likely. Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 73. North wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tonight 2025-06-17, Chance T-storms then Slight Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. North wind around 5 mph becoming west after midnight.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 82. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 60. Southeast wind around 5 mph becoming southwest after midnight.- Juneteenth 2025-06-19, Sunny. Sunny, with a high near 92. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Thursday Night 2025-06-19, Partly Cloudy. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.- Friday 2025-06-20, Sunny. Sunny, with a high near 91. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
- Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming southwest in the evening. Winds could gust as high as 25 mph.
- Saturday 2025-06-21, Sunny. Sunny, with a high near 95.
- Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 59.
- Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 78.
Sunday Night 2025-06-22, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Monday 2025-06-23, Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 67.